2013-04-18 05:58:27 [SEVERE] Could not pass event RegenBlockEventRespawn to RegenBlock vBeta 5.7
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:427)
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
	at org.bukkit.plugin.TimedRegisteredListener.callEvent(TimedRegisteredListener.java:26)
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
	at net.dmg2.RegenBlock.RegenBlockQueue.checkQueue(RegenBlockQueue.java:178)
	at net.dmg2.RegenBlock.RegenBlockQueue.run(RegenBlockQueue.java:38)
	at java.lang.Thread.run(Thread.java:722)
Caused by: java.lang.IllegalStateException: Asynchronous entity track!
	at net.minecraft.server.v1_5_R2.EntityTracker.addEntity(EntityTracker.java:92)
	at net.minecraft.server.v1_5_R2.EntityTracker.track(EntityTracker.java:57)
	at net.minecraft.server.v1_5_R2.WorldManager.a(WorldManager.java:18)
	at net.minecraft.server.v1_5_R2.World.a(World.java:1001)
	at net.minecraft.server.v1_5_R2.WorldServer.a(WorldServer.java:796)
	at net.minecraft.server.v1_5_R2.World.a(World.java:2483)
	at net.minecraft.server.v1_5_R2.Chunk.addEntities(Chunk.java:664)
	at net.minecraft.server.v1_5_R2.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:128)
	at net.minecraft.server.v1_5_R2.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:84)
	at org.bukkit.craftbukkit.v1_5_R2.CraftWorld.getChunkAt(CraftWorld.java:240)
	at org.bukkit.craftbukkit.v1_5_R2.CraftWorld.getBlockAt(CraftWorld.java:204)
	at org.bukkit.craftbukkit.v1_5_R2.CraftWorld.getBlockAt(CraftWorld.java:606)
	at net.dmg2.RegenBlock.Listener.RegenBlockEventListenerBlock.onEvent(RegenBlockEventListenerBlock.java:111)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:601)
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:425)
	... 7 more